CN218341790U - Pipeline surface treatment device - Google Patents

Abstract

The utility model discloses a pipeline surface treatment device, include: the basic walking mechanism comprises a clamping assembly used for clamping or wrapping or coating the outer wall of the pipeline; the device also comprises a moving part which is arranged between the clamping component and the outer wall of the pipeline and is used for enabling the device to move circumferentially relative to the pipeline and/or axially relative to the pipeline; and the surface treatment mechanism is arranged on the base travelling mechanism and is used for carrying out surface treatment on the outer wall surface of the pipeline. But this device centre gripping is in the outer wall of pipeline, in the relative pipeline circumferential direction removal of the outer wall of pipeline or axial displacement, and then adjusts surface treatment mechanism to the pending position of pipeline to handle each position of pipeline surface, realize polishing and the spraying operation to pipeline surface omnidirectional, need not the operation personnel and construct in pipeline both sides or below, the dust of avoiding the construction production falls into the harm that the eyeball nose produced, avoids the safety risk because of unfavorable operation position leads to.

Description

Pipeline surface treatment device

Technical Field

The utility model relates to a pipeline outward appearance operation technical field especially relates to a pipeline surface treatment device.

Background

In the prior art, various pipelines are widely applied in production and life, and the various pipelines need to be subjected to surface treatment and corrosion prevention maintenance in the using process, such as: corrosion prevention, rust removal, spraying, detection, repair welding and the like.

In the existing pipeline anticorrosion maintenance, particularly in the anticorrosion maintenance operation of overhead pipelines, an operator can construct the pipeline only by taking an overhead working truck or a hanging basket (plate) as a platform, or the operator fastens a safety belt and stands on the pipeline for construction. In the operation process, a part of working areas, such as overhead working trucks and hanging baskets, cannot reach; the dust generated by construction with the hanging basket (plate) as a platform has great harm to the body of an operator; the construction of standing on the pipeline is not convenient for the application of force and can't be under construction to the pipeline both sides construction, and the operation is inconvenient to there is the safety risk.

The existing full-automatic pipeline surface operation robot needs to replace operation mechanisms or parts, such as a polishing head, paint and the like, in the pipeline surface operation process, and the mode of automatically replacing the polishing head inevitably leads to the complex structure of the device, large volume and weight, high cost and poor applicability.

SUMMERY OF THE UTILITY MODEL

The utility model provides a pipeline surface treatment device to solve among the prior art when carrying out surface treatment to the pipeline operate inconvenient, the operation degree of difficulty is high and the technical problem that the safety risk is high.

The utility model adopts the technical scheme as follows: a pipe surface treatment apparatus comprising:

the basic walking mechanism comprises a clamping assembly used for clamping or wrapping or coating the outer wall of the pipeline; the moving assembly is arranged on the clamping assembly and used for enabling the basic walking mechanism to move circumferentially relative to the pipeline and/or move axially relative to the pipeline when the basic walking mechanism clamps, wraps or coats the pipeline through the clamping assembly;

and the surface treatment mechanism is arranged on the base travelling mechanism and is used for carrying out surface treatment on the outer wall surface of the pipeline.

Preferably, the clamping assembly comprises a base member, at least one first clamping member having an intrados surface and at least one second clamping member having an intrados surface; the first end of the first clamping piece is hinged to the first side of the base piece, the inner arc surface of the first clamping piece faces the pipeline, the first end of the second clamping piece is hinged to the second side of the base piece, and the inner arc surface of the second clamping piece faces the pipeline.

As a preferable mode, the moving assembly of the base walking mechanism comprises a first moving member and a second moving member, and the first moving member is arranged on one side of the base member facing the pipeline; the first clamping member and the second clamping member are provided with the second moving member, respectively.

Preferably, the first moving member and the second moving member include a ball assembly or a roller assembly or a ball-and-socket assembly.

Preferably, the first clamping member and the second clamping member are in a multi-section type chain structure or a chain plate structure; the first adjustment assembly includes a connecting cable and/or a first drive mechanism.

Preferably, the first adjusting assembly is used for adjusting the rotation angle of the first clamping member and the second clamping member so that the clamping assembly clamps or coats the pipeline; the first adjusting assembly comprises an adjusting piece and a supporting piece, a first end of the supporting piece is rotatably connected to the adjusting piece, and a second end of the supporting piece is hinged to the first clamping piece or the second clamping piece; the adjusting piece is arranged on the base piece and used for moving and locking on the base piece in the radial direction so as to adjust the angle of the first clamping piece or the second clamping piece.

As a preferable mode, the first adjusting assembly further includes a driving member in driving connection with the adjusting member, the adjusting member controlling the first clamping member and the adjusting member controlling the second clamping member are symmetrically arranged relative to a center line of the base member and are relatively connected to the same driving member, and the driving member is configured to control the two adjusting members to move relatively away from or approach to each other along an axial direction of the driving member, so as to synchronously adjust a rotation angle of the first clamping member and a rotation angle of the second clamping member.

Preferably, the base running mechanism further comprises an operating component for operating the pipeline surface treatment device to move circumferentially relative to the pipeline and/or axially relative to the pipeline through the base running mechanism.

The utility model discloses following beneficial effect has: the basic walking mechanism of the device can be clamped, wrapped or coated on the outer wall surface of the pipeline through the clamping component, and the clamping component can move circumferentially or axially relative to the pipeline on the outer wall surface of the pipeline through the moving part of the basic walking mechanism, so that the surface treatment mechanism arranged on the basic walking mechanism can be adjusted to move synchronously to the position to be treated of the pipeline, and surface treatment is carried out on each position of the pipeline; the comprehensive polishing and spraying operation on the surface of the pipeline is realized by the cooperation of the clamping assembly of the basic walking mechanism, the moving member and the surface treatment mechanism of the device, the construction of operators on two sides or below of the pipeline is not needed, the harm of construction dust is avoided, and the safety risk is reduced.

In addition to the above-described objects, features and advantages, the present invention has other objects, features and advantages. The present invention will be described in further detail below with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification. In the drawings:

fig. 1 is a first schematic structural diagram of a preferred embodiment of the present invention;

fig. 2 is a reference diagram of the use state of the preferred embodiment of the present invention;

fig. 3 is a schematic structural diagram ii of the preferred embodiment of the present invention.

1. The surface treatment mechanism 11, the second adjustment assembly 2, the base traveling mechanism 21, the first moving member 22, the second moving member 23, the mounting structure 3, the clamping assembly 31, the base member 32, the first clamping member 33, the second clamping member 34, the first adjustment assembly 341, the adjustment member 342, the support member 343, the lead screw 344, the knob 345, the rotating shaft 4, the handle 5, the brake assembly 51, the brake lever 52, the brake disc 52, and the brake disc 341

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

Referring to fig. 1 to 3, a preferred embodiment of the present invention provides a pipe surface treatment apparatus including:

the basic walking mechanism 2 comprises a clamping component 3 used for clamping or wrapping or coating the outer wall of the pipeline; the moving assembly is arranged on the clamping assembly 3 and used for enabling the basic walking mechanism 2 to move circumferentially relative to the pipeline and/or axially relative to the pipeline when the pipeline is clamped, wrapped or coated by the clamping assembly;

and a surface treatment mechanism 1 mounted on the base running mechanism 2 and used for performing surface treatment on the outer wall surface of the pipeline.

The clamping assembly 3 may be an open type or a clamping type or a coating type to clamp/coat the outer wall of the pipe, in this embodiment, an open type clamping manner is preferred, so that the clamping assembly 3 can be opened and erected on the pipe before starting operation, and the outer wall of the pipe is fixed by a rigid locking (such as a brake disc/sheet) or a flexible locking (such as a spring) manner according to the operation environment and the actual situation on the surface of the pipe;

wherein, in some embodiments, the surface treatment can be damage detection, flaw detection, local welding, repair welding, washing, cleaning, brushing, polishing, spraying, brushing and the like, and is provided as a corresponding surface treatment mechanism; in the embodiment, the surface treatment mechanism 1 comprises a grinding mechanism detachably connected with the clamping component 3 and/or a spraying mechanism detachably connected with the clamping component 3; it should be understood that, when the surface operation is carried out, the surface of the pipeline is sequentially polished and sprayed, therefore, after the polishing mechanism is arranged to carry out polishing operation, the polishing mechanism can be disassembled, and then the spraying mechanism is arranged to carry out spraying operation;

the basic walking mechanism of the device can be clamped, wrapped or coated on the outer wall surface of the pipeline through the clamping component 3, and the device can move circumferentially or axially relative to the pipeline on the outer wall surface of the pipeline through the moving part of the basic walking mechanism; further, the surface treatment mechanism 1 arranged on the base walking mechanism can be adjusted to synchronously move to the position to be treated of the pipeline, so that the surface treatment is carried out on each position of the pipeline; the cooperation of the clamping component 3 of the basic running mechanism 2, the moving member and the surface treatment mechanism 1 through the device can realize the all-round polishing and spraying operation on the surface of the pipeline without the construction of operators on two sides or below of the pipeline, thereby avoiding the harm of construction dust and reducing the safety risk.

Furthermore, the clamping assembly 3 comprises a first adjusting assembly 34 for adjusting the clamping assembly 3 to adapt to different outer diameters of pipelines, so that the device has a wider application range;

specifically, the clamping assembly 3 comprises a base member 31, at least one first clamping member 32 having an intrados surface, and at least one second clamping member 33 having an intrados surface; the base piece 31 is a plate-shaped piece, the first end of the first clamping piece 32 is hinged to the first side of the base piece 31, the inner arc surface of the first clamping piece 32 faces the pipeline, the first end of the second clamping piece 33 is hinged to the second side of the base piece 31, and the inner arc surface of the second clamping piece 33 faces the pipeline; in this embodiment, the first clamping member 32 and the second clamping member 33 have the same structure and are symmetrically arranged on both sides of the base member 31; the first adjusting assembly 34 is used for adjusting the rotating angles of the first clamping piece 32 and the second clamping piece 33, so that the clamping assembly 3 clamps or coats the pipeline; in addition, two sides of the base part 31 can be distributed and connected with a plurality of first clamping pieces 32 and second clamping pieces 33 along the axial direction of the pipeline, so that the axial fixation of the device is kept stable; in some embodiments, the first clamping member 32 and the second clamping member 33 can also be fixedly connected to an adjusting assembly, and the adjusting assembly can relatively move on the base member to enable the two clamping members to relatively move away from or close to each other to clamp or release the pipeline, wherein the adjusting assembly can be a screw rod driven by a motor or a manual adjusting mode;

it should be noted that the first clamping member 32 and the second clamping member 33 are provided with an inner arc surface to avoid the middle position of the two from contacting with the outer wall of the pipeline to generate friction and interference; the rotating angles of the first clamping piece 32 and the second clamping piece 33 can be adjusted by using the first adjusting assembly 34, so that the second ends of the first clamping piece 32 and the second clamping piece 33 are kept clamped on the outer wall of the pipeline; it will be appreciated that the clamping/wrapping range from the second end of the first clamping member 32 to the second end of the second clamping member 33 of the present apparatus is greater than one-half of the outer wall of the pipe, thereby ensuring that the clamping assembly 3 firmly clamps the pipe and prevents it from loosening;

further, the moving assembly of the base traveling mechanism 2 comprises a first moving part 21 and a second moving part 22, wherein the first moving part 21 is arranged on the first end surface of the base part 31 facing the pipeline; the second ends of the first clamping member 32 and the second clamping member 33 are respectively provided with a second moving member 22; the first moving part 21 and the second moving part 22 of the present embodiment include ball assemblies; the middle part of the first end face of the base piece 31, the first clamping piece 32 and the second clamping piece 33 are provided with mounting structures 23 corresponding to the balls, and the balls are respectively embedded into the corresponding mounting structures 23, can freely roll in the mounting structures 23 and are in contact with the outer wall of the pipeline; in this embodiment, the ball assemblies are correspondingly arranged at the second ends of the first clamping member 32 and the second clamping member 33, so that even if the ball assemblies at the second ends of the first clamping member 32 and the second clamping member 33 contact the outer wall of the pipeline after the rotation angles of the first clamping member 32 and the second clamping member 33 are adjusted, the clamping of the clamping mechanism on the pipeline in a state of clamping/clamping the pipeline can be realized by matching with the ball assembly arranged in the middle of the first end surface of the base member 31, and meanwhile, the clamping mechanism can axially move and circumferentially rotate on the pipeline through the ball assemblies; in this embodiment, two sets of the first moving members 21 are provided, the first end surface of the base member 31 is symmetrically provided with mounting structures 23 for mounting the first moving members 21 (i.e. balls) relative to the center line thereof, and the mounting structures 23 have a certain angle toward the center line thereof relative to the first end surface of the base member 31, so that the mounting structures are more adaptive to the radian of the outer wall of the pipeline, the balls embedded in the mounting structures 23 are ensured to contact with the outer wall of the pipeline, and the clamping effect is improved; in other embodiments, a mounting structure 23 may be vertically disposed at the center of the first end surface of the base member 31, and a ball is correspondingly mounted, during the clamping process, the mounting structure 23 always keeps facing the axis of the pipeline, so as to ensure that the ball assembly and the pipeline are not interfered with each other;

in other embodiments, the first moving member 21 and the second moving member 22 may be a ball gimbal assembly or a roller assembly; in other embodiments, the ball assembly may also be provided on the intrados of the first clamping member 32 and/or the second clamping member 33;

in some embodiments, the first clamping member 32 and/or the second clamping member 33 may be formed by connecting a plurality of sections of clamping members in sequence, such as a chain plate or a chain structure, and two adjacent sections of clamping members may be provided with a driving mechanism, such as a hydraulic rod, as an adjusting component thereof, so as to adjust the relative angle between the two adjacent sections of clamping members, and further adjust the inward curved surface of the first clamping member 32 and/or the second clamping member 33, so as to adjust the clamping range thereof and adapt to the outer diameter of more pipes.

Further, the first adjusting assembly 34 includes an adjusting member 341 and a supporting member 342, the supporting member 342 is a rod member, a first end of the supporting member 342 is rotatably connected to the adjusting member 341, and a second end of the supporting member 342 is hinged to the first clamping member 32 or the second clamping member 33; the adjusting member 341 is provided on the base member 31 for radially moving and locking on the base member 31 to adjust the angle of the first clamping member 32 or the second clamping member 33;

the first adjusting assembly 34 further includes a driving element drivingly connected to the adjusting element 341, specifically in this embodiment, the driving element is a screw 343 threadedly connected to the adjusting element 341, the adjusting element 341 controlling the first clamping element 32 and the adjusting element 341 controlling the second clamping element 33 are symmetrically arranged with respect to a center line of the base element 31, and both are threadedly connected to the same screw 343, and by rotating the screw 343, the two adjusting elements 341 can be controlled to relatively move away from or approach to each other along the axial direction of the screw 343, so as to synchronously adjust the rotation angles of the first clamping element 32 and the second clamping element 33; a knob 344 convenient to operate and rotate is arranged at one end of the screw rod 343, the screw rod 343 is driven to rotate through the rotation of the knob 344 so as to drive the adjusting piece to move, and locking assemblies are arranged on the knob 344 and the screw rod 343, so that the locking assemblies can be kept fixed after the locking assemblies rotate to adjust the clamping piece, and the clamping piece is prevented from loosening due to rotation in the operation process; in other embodiments, the driving member is used to drive the adjusting member to move and lock the position, and therefore, the structure of the driving member should not be limited; it should be understood that the lead screw 343 may also be driven by a motor;

in addition, the supporting member 342 is connected to the adjusting member 341 by a rotating shaft 345; in some embodiments, all the supporting members 342 corresponding to the first supporting members 342 on the first side of the base member 31 are rotatably connected to an adjusting member 341 through the same rotating shaft 345; the same applies to the second side of the base member 31; only one pair of adjusting pieces 341 need to be arranged to synchronously control all the first clamping pieces 32 and the second clamping pieces 33 through the rotating screw 343, so that synchronous adjustment is realized, the adjustment stability of the device is ensured, and the structure is simplified.

In other embodiments, the first adjusting component may also be a connecting rope, and the connecting rope is respectively threaded through the second end of the first clamping member 32 and the second end of the second clamping member 33; when the first clamping piece 32 and the second clamping piece 33 are clamped on the outer wall of the pipeline, the connecting rope is tightened and locked, so that the second end of the first clamping piece 32 and the second end of the second clamping piece 33 can be folded, and the clamping and fixing of the device on the pipeline can be finished; wherein, for avoiding interfering with the moving member, connect flexible wear to establish the position can be the second end optional position that is close to first clamping piece 32 and the second end optional position that is close to second clamping piece 33, based on this, first clamping piece 32, second clamping piece 33 set up to link joint or chain structure more pipe diameter sizes of adaptation, especially adapt to the pipeline of big pipe diameter, avoid the clamp force not enough, the centre gripping condition such as unstable.

The device also comprises a second adjusting component used for adjusting the position of the surface treatment mechanism 1 relative to the pipeline, taking a grinding mechanism as an example; the polishing mechanism is hinged to the second end of the first clamping piece 32 through a rotating structure, the second adjusting assembly adjusts the rotating angle of the polishing mechanism, the relative distance between the polishing mechanism and the outer wall of the pipeline is further adjusted, and the relative pressure between the polishing mechanism and the pipeline can be further adjusted to adjust the polishing force; the same applies to the grinding mechanism provided in the second clamping member 33; in addition, the middle part of the base part 31 is also provided with a surface treatment mechanism 1, and the relative position and the relative pressure between the end part of the surface treatment mechanism and the outer wall of the pipeline are adjusted by adjusting the modes of radial movement or rotation angle and the like of the surface treatment mechanism relative to the outer wall of the pipeline through a second adjusting component correspondingly arranged; taking the spraying mechanism as an example, the spraying effect can be adjusted by adjusting the distance between the spray head and the outer wall of the pipeline based on the structural principle.

Further, the basic travelling mechanism 2 also comprises an operation assembly for operating the device to move circumferentially relative to the pipeline and/or axially relative to the pipeline through the basic travelling mechanism 2;

specifically, the operating assembly comprises a handle 4 and/or a traction rope and/or a first driving mechanism which are arranged on the clamping assembly 3, an operator can push/pull the device to axially move or rotate by holding the handle 4 by hand, or the device is driven by an external driving mechanism, and the operating assembly can be matched with a manual driving mode or an electric driving mode; when no obstacle exists above the pipeline, an operator can perform short-distance operation through the handle 4, for example, the operator can sit on the pipeline and swing the handle 4 to realize radial all-directional grinding; one or more handles 4 can be arranged at any position in the circumferential direction of the device, for example, the handles 4 are arranged on two sides of the base piece 31, between the first end and the second end of the first clamping piece 32 and on the second clamping piece 33, so that when an operator sits on a pipeline, the handles 4 which are closer to each other are still arranged on the clamping assembly 3 which is moved in the circumferential direction for replacement and holding, and the operation is convenient; meanwhile, the operator moves the body and pushes or pulls the handle 4 to drive the device to move axially, so that the front and back of the pipeline are polished or sprayed; when the remote operation is adopted, the lengthened handle 4 can be operated or the traction rope can be used for remotely towing the device to act, so that the polishing or the spraying can be realized;

it should be understood that when the gap between the pipelines is narrow or other obstacles are arranged beside the pipelines, the device can be operated remotely through the traction rope, and meanwhile, a grinding mechanism or a spraying mechanism with proper specification and size can be replaced, or the placing angle of the device can be changed to adapt to the working environment when the gap between the pipelines is narrow or other obstacles are arranged beside the pipelines;

further, the basic walking mechanism 2 further comprises a brake assembly 5, and the brake assembly 5 is used for fixing the clamping assembly 3 on the outer wall of the pipeline when an operator is inconvenient to operate or needs to pause the operation; the position of the device can be adjusted through the operation component, so that the surface treatment mechanism 1 corresponds to the working point position, and then the surface treatment mechanism is kept fixed through the brake component 5 to perform surface treatment on the working point;

specifically, the brake assembly 5 comprises a brake lever 51 which can move radially relative to the pipe and can be locked, one end of the brake lever 51 facing the pipe is provided with a brake disc 52, and one side of the brake disc 52 facing the pipe is provided with an elastic layer with a high friction coefficient; it should be understood that in the present embodiment, the elastic layer with high friction coefficient is a rubber layer, and the brake disc 52 has an intrados surface; after the operator adjusts the clamping assembly 3 to a proper position, the brake rod 51 is moved to a rubber layer to be attached to the outer wall of the pipeline, and the position of the brake rod 51 is locked, so that the clamping assembly 3 can keep a relative position to be fixed under the action of high friction of the rubber layer of the brake disc 52, and further the pipeline surface operation is carried out at a fixed point through the device; in some embodiments, the brake disc 52 may also be made entirely of a high coefficient of friction elastomeric layer;

on the other hand, when the operation of suspended operation such as grinding consumables or spraying appliances needs to be replaced in the construction process, the device can be fixed on a pipeline through the brake assembly 5 and then correspondingly operated; it can be understood that the prior full-automatic pipeline polishing robot needs to replace the polishing head in the pipeline surface operation process, the automatic polishing head replacement mode is limited by the bearing capacity of the device or the pipeline, and only a small number of polishing heads can be borne, so that the prior full-automatic pipeline polishing robot cannot realize remote pipeline surface operation and has a complex structure; based on this, this device is through the manual work change head of polishing, and the manual operation degree of difficulty is little, and device overall structure retrencies, and whole weight, volume far are less than full-automatic polishing robot, and operation environment adaptability is strong, and short distance and long distance's pipeline surface operation all can be suitable for.

In some embodiments, the pipeline surface processing device may be provided with an image feedback module for acquiring and feeding back a real-time image of a working point of the visual blind area; specifically, the image feedback module of the embodiment includes a camera disposed in an accessory of the surface working mechanism to obtain a real-time image of a position of the working point; the system also comprises a display screen which is electrically or wirelessly connected with the camera, and feeds back the acquired real-time image for operators to observe so as to facilitate construction of an operation point;

that is, when the construction area is located operator's field of vision scope, but direct operation subassembly makes this device drive along the pipeline motion and polishes or the effective operation of spraying adjustment subassembly, when positions such as construction area are not in operator's field of vision scope, for example pipeline bottom or interference position, this device position of image adjustment that the camera feedback that the operator shows through the display screen was come carries out the operation.

Furthermore, the pipeline surface treatment device also comprises a protection mechanism, wherein the protection mechanism comprises a safety rope, and two ends of the safety rope are respectively connected with the clamping component 3 and the pipeline and used for preventing the clamping component 3 from falling from high altitude; wherein, the safety rope, the traction rope and the connecting rope can be the same rope; on the other hand, when the diameter of the pipeline is large and the weight of the device used correspondingly is large, the clamping assembly 3 can be opened on the ground adjusting screw 343, and the device is pulled to a specified position by a pulling rope/safety rope pulling mode and then clamped and adjusted for construction.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A pipe surface treatment apparatus, comprising:

the basic walking mechanism (2) comprises a clamping assembly (3) which is used for clamping or wrapping or coating the outer wall of the pipeline; the moving assembly is arranged on the clamping assembly (3) and used for enabling the base walking mechanism (2) to move circumferentially relative to the pipeline and/or move axially relative to the pipeline when the pipeline is clamped, or wrapped or coated by the clamping assembly;

and the surface treatment mechanism (1) is arranged on the basic travelling mechanism (2) and is used for performing surface treatment on the outer wall surface of the pipeline.

2. A pipe surface treatment device according to claim 1, characterized in that the clamping assembly (3) comprises a first adjustment assembly (34) for adjusting the clamping assembly (3) to fit different outer diameters of the pipes.

3. A pipe surface treatment device according to claim 2, characterized in that the clamping assembly (3) comprises a base element (31), at least one first clamping element (32) having an intrados surface and at least one second clamping element (33) having an intrados surface; the first end of the first clamping piece (32) is hinged to the first side of the base piece (31) and the inner arc surface of the first clamping piece (32) faces the pipeline, the first end of the second clamping piece (33) is hinged to the second side of the base piece (31) and the inner arc surface of the second clamping piece (33) faces the pipeline.

4. A pipe surface treatment device according to claim 3, characterized in that the moving assembly of the base running gear (2) comprises a first moving member (21) and a second moving member (22), the first moving member (21) being arranged on the side of the base member (31) facing the pipe; the first clamp member (32) and the second clamp member (33) are provided with the second moving members (22), respectively.

5. A tubular surface treatment device according to claim 4, characterized in that the first moving member (21), the second moving member (22) comprise a ball or roller assembly or a ball-and-socket assembly.

6. A pipe surface treating device according to claim 3, wherein the first gripping member (32) and the second gripping member (33) are of a multi-section type chain structure or a link plate structure; the first adjustment assembly includes a connecting cable and/or a first drive mechanism.

7. A pipe surface treating device according to claim 3, wherein the first adjusting assembly (34) is adapted to adjust the angle of rotation of the first clamping member (32) and the second clamping member (33) to cause the clamping assembly (3) to grip or clamp or wrap the pipe; the first adjusting assembly (34) comprises an adjusting piece (341) and a supporting piece (342), a first end of the supporting piece (342) is rotatably connected to the adjusting piece (341), and a second end of the supporting piece (342) is hinged on the first clamping piece (32) or the second clamping piece (33); the adjusting element (341) is arranged on the base element (31) and is used for radially moving and locking on the base element (31) so as to adjust the angle of the first clamping element (32) or the second clamping element (33).

8. The pipe surface treatment device according to claim 7, wherein the first adjusting assembly (34) further comprises a driving member drivingly connected to the adjusting member (341), the adjusting member (341) controlling the first clamping member (32) and the adjusting member (341) controlling the second clamping member (33) are symmetrically arranged with respect to the center line of the base member (31) and are relatively connected to the same driving member, and the driving member is configured to control the relative moving away or approaching movement of the two adjusting members (341) along the axial direction of the driving member, thereby synchronously adjusting the rotation angles of the first clamping member (32) and the second clamping member (33).

9. A pipe surface treatment device according to claim 1, characterized in that the base running gear (2) further comprises an operating assembly for operating the pipe surface treatment device for circumferential movement relative to the pipe and/or for axial movement relative to the pipe via the base running gear (2).

10. The pipe surface treatment device according to claim 9, wherein the base running gear (2) further comprises a brake assembly (5) for fixing the pipe surface treatment device to the outer wall of the pipe.

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